A Tripod Salver, D. Maria I, Queen of Portugal (1777-1816), beaded silver, engraved background "Garlands", pierced feet, Oporto assay mark, João Rodrigues Costa Negreiros maker's mark (1756-1811), Portuguese, FMG ownership mark Dimensões (altura x comprimento x largura) - 36 cm; Peso - 1067 grs.